gecko-dev/b2g/components/RecoveryService.js

110 строки
3.9 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/ctypes.jsm");
const RECOVERYSERVICE_CID = Components.ID("{b3caca5d-0bb0-48c6-912b-6be6cbf08832}");
const RECOVERYSERVICE_CONTRACTID = "@mozilla.org/recovery-service;1";
function log(msg) {
dump("-*- RecoveryService: " + msg + "\n");
}
#ifdef MOZ_WIDGET_GONK
let librecovery = (function() {
let library;
try {
library = ctypes.open("librecovery.so");
} catch (e) {
log("Unable to open librecovery.so");
throw Cr.NS_ERROR_FAILURE;
}
let FotaUpdateStatus = new ctypes.StructType("FotaUpdateStatus", [
{ result: ctypes.int },
{ updatePath: ctypes.char.ptr }
]);
return {
factoryReset: library.declare("factoryReset",
ctypes.default_abi,
ctypes.int),
installFotaUpdate: library.declare("installFotaUpdate",
ctypes.default_abi,
ctypes.int,
ctypes.char.ptr,
ctypes.int),
FotaUpdateStatus: FotaUpdateStatus,
getFotaUpdateStatus: library.declare("getFotaUpdateStatus",
ctypes.default_abi,
ctypes.int,
FotaUpdateStatus.ptr)
};
})();
#endif
function RecoveryService() {}
RecoveryService.prototype = {
classID: RECOVERYSERVICE_CID,
QueryInterface: XPCOMUtils.generateQI([Ci.nsIRecoveryService]),
classInfo: XPCOMUtils.generateCI({
classID: RECOVERYSERVICE_CID,
contractID: RECOVERYSERVICE_CONTRACTID,
interfaces: [Ci.nsIRecoveryService],
classDescription: "B2G Recovery Service"
}),
factoryReset: function RS_factoryReset() {
#ifdef MOZ_WIDGET_GONK
// If this succeeds, then the device reboots and this never returns
if (librecovery.factoryReset() != 0) {
log("Error: Factory reset failed. Trying again after clearing cache.");
}
var cache = Cc["@mozilla.org/netwerk/cache-storage-service;1"].getService(Ci.nsICacheStorageService);
cache.clear();
if (librecovery.factoryReset() != 0) {
log("Error: Factory reset failed again");
}
#endif
throw Cr.NS_ERROR_FAILURE;
},
installFotaUpdate: function RS_installFotaUpdate(updatePath) {
#ifdef MOZ_WIDGET_GONK
// If this succeeds, then the device reboots and this never returns
if (librecovery.installFotaUpdate(updatePath, updatePath.length) != 0) {
log("Error: FOTA install failed. Trying again after clearing cache.");
}
var cache = Cc["@mozilla.org/netwerk/cache-storage-service;1"].getService(Ci.nsICacheStorageService);
cache.clear();
if (librecovery.installFotaUpdate(updatePath, updatePath.length) != 0) {
log("Error: FOTA install failed again");
}
#endif
throw Cr.NS_ERROR_FAILURE;
},
getFotaUpdateStatus: function RS_getFotaUpdateStatus() {
let status = Ci.nsIRecoveryService.FOTA_UPDATE_UNKNOWN;
#ifdef MOZ_WIDGET_GONK
let cStatus = librecovery.FotaUpdateStatus();
if (librecovery.getFotaUpdateStatus(cStatus.address()) == 0) {
status = cStatus.result;
}
#endif
return status;
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([RecoveryService]);